Wall sconce



FIG. 1 is a front perspective view of a wall sconce showing our new design;

FIG. 2 is a left side elevational view thereof on an enlarged scale;

FIG. 3 is a top plan view thereof on an enlarged scale;

FIG. 4 is a bottom plan view thereof on an enlarged scale;

FIG. 5 is a rear elevational view thereof on an enlarged scale;

FIG. 6 is a right side elevational view thereof on an enlarged scale. 

The ornamental design for a wall sconce, as shown and described. 